Still Waters Posted June 28, 2017 #1 Share Posted June 28, 2017 (IP: Staff) · A new video shows just how extensively NASA has explored Mars over the last two decades. The agency's robotic emissaries have been studying the Red Planet nonstop since July 4, 1997, when the Pathfinder mission touched down. The landing marked NASA's first Mars success since the Viking 1 and Viking 2 orbiter-lander pairs arrived at the Red Planet in 1975. Eight other robots have followed in Pathfinder's footsteps to date, including the Spirit, Opportunity and Curiosity rovers. https://www.space.com/37308-nasa-mars-exploration-20-years-video.html 4 Top Link to comment Share on other sites More sharing options...
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